CN202583391U - Transmission line grounding fault detection instrument - Google Patents
Transmission line grounding fault detection instrument Download PDFInfo
- Publication number
- CN202583391U CN202583391U CN2012201648658U CN201220164865U CN202583391U CN 202583391 U CN202583391 U CN 202583391U CN 2012201648658 U CN2012201648658 U CN 2012201648658U CN 201220164865 U CN201220164865 U CN 201220164865U CN 202583391 U CN202583391 U CN 202583391U
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- CN
- China
- Prior art keywords
- module
- unit
- electrically connected
- transmission lines
- earth fault
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 238000009413 insulation Methods 0.000 claims description 5
- 238000003745 diagnosis Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 206010014357 Electric shock Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The utility model discloses a transmission line grounding fault detection instrument which is composed of a casing body, an operation panel, a high-voltage wire, a grounding wire and a main control circuit. The main control circuit is composed of a power supply module, a switch, a potentiometer, a D/A inverter module, a positive terminal, a negative terminal, a detection module, an output module, a display module and an alarm module. The power supply module, the switch, the potentiometer and the D/A inverter module are electrically connected. The positive terminal and the negative terminal are electrically connected with the output module. The detection module and the output module are electrically connected with the D/A inverter module. The alarm module and the display module are electrically connected with the detection module. The operation panel is connected with the casing body. The switch, the potentiometer, the positive terminal, the negative terminal and the display module are embedded on the upper surface of the operation panel. The high-voltage wire is connected with the positive terminal through a bolt. The grounding wire is connected with the negative terminal through a bolt. The transmission line grounding fault detection instrument provided by the utility model has the advantages of simple structure, stable operation and high accuracy, thus the fault diagnosis efficiency and the security of operation personnel are greatly improved.
Description
Technical field
The utility model relates to a kind of transmission lines earth fault detector, belongs to electricity consumption service technique field.
Background technology
In transmission line malfunction; Especially in the fault of mesohigh transmission line of electricity; Transmission line of electricity causes earth fault the most common because of Insulation Problems, and the long and disguised height in trouble spot does not still have effective testing tool in addition at present by transmission line of electricity; Definite and eliminating to transmission lines earth fault point has caused great difficulty; And since during many fault detects transmission line of electricity be that operating personnel are the states that are in hot line job, operating personnel's Danger Electric shock risk feelings are bigger, therefore press at present a kind of can be quickly and easily to the transmission lines earth fault point location and can effectively reduce the get an electric shock equipment of risk of operating personnel.
The utility model content
The utility model purpose just is to overcome above-mentioned deficiency, and a kind of transmission lines earth fault detector is provided.
For realizing above-mentioned purpose, the utility model is to realize through following technical scheme:
A kind of transmission lines earth fault detector; Described transmission lines earth fault detector is made up of housing, guidance panel, hi-line, ground wire and governor circuit; Described governor circuit is made up of power module, switch, potentiometer, D/A inversion module, positive terminal, negative terminal, detection module, output module, display module and alarm module; Power module, switch, potentiometer and D/A inversion module are electrically connected, and positive terminal and negative terminal all are electrically connected with output module, and detection module and output module all are electrically connected with the D/A inversion module; Alarm module and display module all are electrically connected with detection module; Described guidance panel reliably is connected with housing, and viewing area and zone of alarm are set on the guidance panel, and switch, potentiometer, positive terminal, negative terminal and display module all are embedded in the guidance panel upper surface; Described hi-line is connected through bolt with positive terminal, and ground wire is connected through bolt with negative terminal.
Detection module is made up of boosting unit, filter unit, driver element, main control unit, high voltage detecting unit, DC voltage detecting unit and direct current detection unit; Wherein filter unit is electrically connected with boosting unit, driver element, main control unit, high voltage detecting unit, DC voltage detecting unit and direct current detection unit respectively, and driver element, high voltage detecting unit, DC voltage detecting unit and direct current detection unit are electrically connected with main control unit respectively.
Output module is made up of boosting unit and filter unit, and boosting unit and filter unit are electrically connected.
Display module is that pointer high-tension voltmeter, D.C. voltmeter and DC ammeter constitute.
Display module is that digital high-tension voltmeter, D.C. voltmeter and DC ammeter constitute.
Display module is the integral type LCD.
Alarm module is hummer, acousto-optic hummer or electric whistle.
Housing, guidance panel, hi-line, the ground wire class of insulation are not less than 0.6/1KV.
The utlity model has following beneficial effect:
1, device structure is simply light, is convenient under various occasions, use.
2, operation of equipment is simple and stable precision high, has effectively saved transmission lines earth fault detection time, has reduced maintenance job intensity, has improved work efficiency.
3, apparatus insulated grade is high, has improved personnel's personal safety guarantee in the Earth Fault Detection greatly.
Description of drawings
Fig. 1 is a master control borad electrical principle block diagram
Fig. 2 is a detection module electrical principle block diagram
Fig. 3 is an output module electrical principle block diagram
Fig. 4 is the guidance panel synoptic diagram.
Embodiment
Like Fig. 1,2, shown in 3 and 4; A kind of transmission lines earth fault detector; Described transmission lines earth fault detector is made up of housing 1, guidance panel 2, hi-line 3, ground wire 4 and governor circuit; Described governor circuit is made up of power module, switch 5, potentiometer 6, D/A inversion module, positive terminal 7, negative terminal 8, detection module, output module, display module and alarm module; Power module, switch 7, potentiometer 8 and D/A inversion module are electrically connected, and positive terminal 7 and negative terminal 8 all are electrically connected with output module, and detection module and output module all are electrically connected with the D/A inversion module; Alarm module and display module all are electrically connected with detection module; Described guidance panel 2 reliably is connected with housing 1, and viewing area 9 and zone of alarm 10 are set on the guidance panel 2, and switch 5, potentiometer 6, positive terminal 7, negative terminal 8 and display module all are embedded in guidance panel 2 upper surfaces; Described hi-line 3 and positive terminal 7 are connected through bolt, and ground wire 4 and negative terminal 8 are connected through bolt.
Detection module is made up of boosting unit, filter unit, driver element, main control unit, high voltage detecting unit, DC voltage detecting unit and direct current detection unit; Wherein filter unit is electrically connected with boosting unit, driver element, main control unit, high voltage detecting unit, DC voltage detecting unit and direct current detection unit respectively, and driver element, high voltage detecting unit, DC voltage detecting unit and direct current detection unit are electrically connected with main control unit respectively.
Output module is made up of boosting unit and filter unit, and boosting unit and filter unit are electrically connected.
During use, faulty line outage at first to be detected, the ground wire reliable ground of the utility model then; Again hi-line reliably is connected with insulation rod, and hi-line and faulty line to be detected is touched, when really fault being arranged as if faulty line to be detected through insulation rod; The utility model alarm module is reported to the police; Display module descends the display voltage value, and current value rises, thereby can judge the position of trouble spot.
Before using the utility model, operating personnel must handle the power failure formality according to flow process, and must have at least two people simultaneously on the scene, and operating personnel can operate after also should carrying out self insulating protection, handle according to program after pending fault detects and finishes again and send electric hand continuous.
Claims (8)
1. transmission lines earth fault detector; It is characterized in that: described transmission lines earth fault detector is made up of housing, guidance panel, hi-line, ground wire and governor circuit; Described governor circuit is made up of power module, switch, potentiometer, D/A inversion module, positive terminal, negative terminal, detection module, output module, display module and alarm module; Power module, switch, potentiometer and D/A inversion module are electrically connected; Positive terminal and negative terminal all are electrically connected with output module; Detection module and output module all are electrically connected with the D/A inversion module, and alarm module and display module all are electrically connected with detection module, and described guidance panel reliably is connected with housing; Viewing area and zone of alarm are set on the guidance panel; And switch, potentiometer, positive terminal, negative terminal and display module all are embedded in the guidance panel upper surface, and described hi-line is connected through bolt with positive terminal, and ground wire is connected through bolt with negative terminal.
2. a kind of transmission lines earth fault detector according to claim 1; It is characterized in that: described detection module is made up of boosting unit, filter unit, driver element, main control unit, high voltage detecting unit, DC voltage detecting unit and direct current detection unit; Wherein filter unit is electrically connected with boosting unit, driver element, main control unit, high voltage detecting unit, DC voltage detecting unit and direct current detection unit respectively, and driver element, high voltage detecting unit, DC voltage detecting unit and direct current detection unit are electrically connected with main control unit respectively.
3. a kind of transmission lines earth fault detector according to claim 1, it is characterized in that: described output module is made up of boosting unit and filter unit, and boosting unit and filter unit are electrically connected.
4. a kind of transmission lines earth fault detector according to claim 1 is characterized in that: described display module is that pointer high-tension voltmeter, D.C. voltmeter and DC ammeter constitute.
5. a kind of transmission lines earth fault detector according to claim 1 is characterized in that: described display module is that digital high-tension voltmeter, D.C. voltmeter and DC ammeter constitute.
6. a kind of transmission lines earth fault detector according to claim 1 is characterized in that: described display module is the integral type LCD.
7. a kind of transmission lines earth fault detector according to claim 1 is characterized in that: described alarm module is hummer, acousto-optic hummer or electric whistle.
8. a kind of transmission lines earth fault detector according to claim 1 is characterized in that: described housing, guidance panel, hi-line, the ground wire class of insulation are not less than 0.6/1KV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201648658U CN202583391U (en) | 2012-04-18 | 2012-04-18 | Transmission line grounding fault detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201648658U CN202583391U (en) | 2012-04-18 | 2012-04-18 | Transmission line grounding fault detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202583391U true CN202583391U (en) | 2012-12-05 |
Family
ID=47252791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201648658U Expired - Lifetime CN202583391U (en) | 2012-04-18 | 2012-04-18 | Transmission line grounding fault detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202583391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636721A (en) * | 2012-04-18 | 2012-08-15 | 孟州市电力公司 | Ground fault detector for power transmission line |
| CN103823152A (en) * | 2014-03-11 | 2014-05-28 | 国家电网公司 | Direct-current grounding detection device |
| CN107462772A (en) * | 2017-09-18 | 2017-12-12 | 海南电网有限责任公司电力科学研究院 | A kind of anti-induced voltage phase checking device of contactless transmission line of electricity |
-
2012
- 2012-04-18 CN CN2012201648658U patent/CN202583391U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636721A (en) * | 2012-04-18 | 2012-08-15 | 孟州市电力公司 | Ground fault detector for power transmission line |
| CN103823152A (en) * | 2014-03-11 | 2014-05-28 | 国家电网公司 | Direct-current grounding detection device |
| CN107462772A (en) * | 2017-09-18 | 2017-12-12 | 海南电网有限责任公司电力科学研究院 | A kind of anti-induced voltage phase checking device of contactless transmission line of electricity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20130608 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130608 Address after: 454750 No. 10 Han Yu street, Mengzhou, Henan, Jiaozuo Patentee after: Mengzhou Electric Power Co., Ltd. Patentee after: State Grid Corporation of China Address before: 454750 No. 10 Han Yu street, Mengzhou, Henan, Jiaozuo Patentee before: Mengzhou Electric Power Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |